McDonnell & Miller SA259-24 Low Water Cut-Off/Pump Controller Quick Hook-Up Fitting

Low Water Cut-Off/Pump Controller Quick Hook-Up Fitting (SA259-24) from McDonnell & Miller delivers a reliable, fast connection for boiler safety systems. This upper-type quick hook-up fitting is designed for use with the 64/42/42S Series float-type low water cut-off and pump controller assemblies, ensuring quick installation, secure operation, and simplified maintenance in commercial and residential heating setups.

Engineered for long-lasting performance, the fitting features corrosion-resistant materials and precise mating surfaces to minimize leaks and downtime. It supports industry-standard control lines and aligns with typical installation practices, making it a smart choice for service technicians seeking dependable safety and pump coordination in boiler rooms.

• Upper-type quick hook-up design enables fast, tool-free installation and reliable connections.
• Fully compatible with 64/42/42S Series float-type low-water cut-off and pump controller assemblies for seamless retrofit.
• SA259-24 model designation ensures you’re selecting the correct replacement part for McDonnell & Miller systems.
• Durable construction with corrosion resistance and robust seals to withstand boiler-room environments.
• Helps maintain safe water level control and coordinated pump operation with minimal downtime.